CVE-2024-40495: linksys e2500_firmware Code Injection

Modified

Published 24-07-2024Last modified 09-07-2026

Vulnerability summary

CVE-2024-40495 is a high (CVSS 8.0) Code Injection vulnerability in linksys e2500_firmware. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk

42/100

0100

Medium · default modelHow is this calculated?

CVSS score

8.0/10

010

High · v3.1 (CVE.org)

EPSS score

0.76%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits1github

Timeline

24-07-2024
PublishedVulnerability first disclosed.
09-07-2026
Last modifiedVulnerability information updated.

Description

A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

CVSS metrics

2 scores · 2 sources · 1 version

v3.18.0

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.76% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found

githubUnverified
Iot Cve
Maturity: poc

Weaknesses

CWE · root cause

CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Affected systems

Linksys1 product

e2500_firmware2.0.00

1 vendor · 1 product

References

1 links

github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdfExploitThird Party Advisory